8210120210128 has 20 divisors (see below), whose sum is σ = 15907172654560. Its totient is φ = 4105043396064.

The previous prime is 8210120210099. The next prime is 8210120210161.

8210120210128 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8210120210096 and 8210120210105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3648403 + ... + 5452621.

It is an arithmetic number, because the mean of its divisors is an integer number (795358632728).

Almost surely, 2^{8210120210128} is an apocalyptic number.

It is an amenable number.

8210120210128 is a deficient number, since it is larger than the sum of its proper divisors (7697052444432).

8210120210128 is a wasteful number, since it uses less digits than its factorization.

8210120210128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088634 (or 2088628 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

It can be divided in two parts, 8210120 and 210128, that added together give a palindrome (8420248).

The spelling of 8210120210128 in words is "eight trillion, two hundred ten billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-eight".